JP2002340555A - Surveying equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a single worker to conduct location survey and give proper instructions on surveying point positions. SOLUTION: A surveying equipment 10 comprises an equipment body 12, installed at a collimating point S of a known coordinate position, where a distance and angle-measuring instrument, that automatically collimates a target G placed at an arbitrary surveying point X for measure the distance and the angle up to the target G is mounted, and a control unit for controlling a rocking movement in the vertical plane of the distance and angle measuring instrument and a turning movement in the horizontal plane. A radio transmitter and receiver 18 of a fixed side is placed in the control unit. A laser emitter, projecting a laser beam L in the direction of an arbitrary surveying point which is input is mounted on the equipment body 12; and a radio transmitter and receiver 23 of a moved side, which transmits a starting and a stopping signal, and a control signal to the projection direction of the laser beam L by operating from the worker M side supporting the target G, and therewith has a monitor screen 23b for receiving the transmitted from the control part to display the measurement result of the distance and angle-measuring instrument, is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveying instrument, and more particularly to a technique for saving surveying power.

[0002]

2. Description of the Related Art In civil engineering and construction work, when surveying such as distance measuring and angle measuring is performed by using surveying equipment such as level and transit, a collimating point where these surveying instruments are installed and a surveying instrument are used. A collimator and a passer-by were placed at both survey points where the collimated targets were installed, and required at least two workers.

[0003] However, such conventional surveying instruments have the following problems.

[0004]

That is, in the above-mentioned conventional surveying equipment, at least two workers are required at the time of surveying, it is difficult to secure the factors, and the cost is disadvantageous. Had become.

Further, the conventional surveying instrument has only a function of projecting the surveying point on a lens or measuring the position of the surveying point on the collimation point side. However, the measurement results and the like cannot be known during the surveying. For example, when the surveying at one place is completed and when moving to the next surveying point, the moving direction must be indicated by a transceiver or the like, There was also a problem that it was complicated and time-consuming.

The present invention has been made in view of such conventional problems, and has as its object the following.
It is an object of the present invention to provide a surveying instrument capable of performing surveying by a number of workers and capable of efficiently performing surveying by accurately indicating a surveying point position.

[0007]

In order to achieve the above object, the present invention is provided at a collimation point which is a known coordinate position,
Automatically collimate the target installed at any survey point,
An apparatus main body equipped with a distance measuring and measuring device for measuring a distance and an angle to the target, and a swinging movement in a vertical plane and a turning movement in a horizontal plane of the distance measuring and measuring device are controlled. In a surveying instrument equipped with a control unit, a fixed-side wireless transceiver connected to the control unit, a laser emitting unit mounted on the device main body and projecting laser light in an arbitrary survey point direction to be input, Operated by a worker supporting the target, the start and stop signals to the control unit, the control signal for controlling the projection direction of the laser light emitting unit, and the like, and the signals transmitted from the control unit are received. A mobile wireless transmitter / receiver having a monitor screen for displaying the measurement result of the range finder / angle measuring device;

[0008] According to the surveying instrument configured as described above, a start / stop signal, a control signal of a projection direction of the laser light emitting section, and the like are transmitted to the control section by operating from a worker supporting the target. A mobile wireless transceiver with a monitor screen that displays the measurement results of the rangefinder and goniometer in response to the signal sent from the control unit is provided, so it can handle the laser beam projected from the laser emitting unit Let me
When the target is installed, the target can be automatically collimated, and the distance and angle from the surveying point to the target can be measured by the distance measuring goniometer.

Such surveying can be performed by operating the mobile radio transceiver from the side of the worker supporting the target, and the surveying can be performed by one worker.

In this case, the measurement result of the range finder is displayed on the monitor screen of the mobile radio transceiver installed on the side of the worker supporting the target, so that the worker can know the measurement result. it can.

Further, since the direction of the survey point is indicated by the laser beam of the laser emitting section, the target can be quickly set at the survey point, and the exact position can be immediately known from the measurement result. it can.

Further, when moving to the next surveying point, if the coordinate value is instructed to the control unit from the mobile radio transceiver side, the direction can be instructed by the laser light of the laser emitting unit.

The apparatus main body includes a C for capturing an image in a collimating direction.
A CD camera is mounted, and an image screen of the CCD camera can be displayed on the monitor screen.

According to this configuration, the situation when surveying with the distance measuring goniometer and the direction of the laser beam emitted from the laser emitting section can be confirmed on the monitor screen. Even in a situation where it is difficult to visually confirm the direction of light irradiation, movement can be performed quickly.

[0015]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG.
3 to 3 show an embodiment of the surveying instrument according to the present invention. The surveying instrument 10 shown in FIG. 1 is fixedly installed on a tripod 11 as shown in FIG.

The surveying instrument 10 has a coordinate value (x ₀ ,
y ₀ , z ₀ ) is set at a known collimation point S. Figures 2 and 3
1 is a detailed view of the surveying instrument 10 of the present embodiment. The surveying instrument 10 shown in FIG.
4, a movement control unit 16, a fixed-side wireless transceiver 18,
It includes a laser emitting unit 20 and a mobile wireless transceiver 23.

The apparatus main body 12 includes a base 24 and a head 2.
The pedestal 24 is fixedly supported on the tripod 11. In the pedestal section 24, the movement control section 16 and the main control section 28, and the power supply battery 3 for supplying power to each control section are provided.
0, a memory, and the like, and various switches 32 and a display unit 34 are provided on a side surface thereof.

The head section 26 is disposed above the pedestal section 24 with a pivoting mechanism 27 interposed therebetween, and is pivotally movable with respect to the pedestal section 24 in a horizontal plane as shown by reference numeral a in FIG. Supported. The head part 26 includes a spherical part 26a.
And a ball seat portion 26 in which the spherical portion 26a is accommodated in a spherical concave portion.
b.

The turning mechanism 27 includes, for example, a drive motor having a rotary shaft directly connected to the head 26, and is rotated left and right in a horizontal plane by the drive motor.

The sphere portion 26a is located on the ball seat portion 26b.
As shown by reference numeral b in FIGS. 1 and 2, the rocking movement mechanism 29 is supported so as to be swingable in a vertical plane, and a fitting structure between the spherical body portion 26 a and the ball seat portion 26 b is provided.

The swinging movement mechanism 29 is formed, for example, by engraving a rack on the outer peripheral surface of the spherical portion 26a, providing a pinion that meshes with the rack, and rotating the pinion with a motor or the like to thereby rotate the spherical portion 26a. The swinging movement can be performed vertically in a horizontal plane.

The spherical portion 26a is provided with a through hole 26c having both ends opened on a surface not supported by the spherical seat portion 26b, substantially on the central axis thereof.

A half mirror 36 is disposed substantially at the center of the through hole 26c in the longitudinal axis direction. An objective lens 38 and an eyepiece 40 are provided on the same optical axis before and after the half mirror 36. ing.

As shown in FIG. 3, the movement control section 16 sends a control signal to the turning and vertical movement mechanisms 27 and 29 of the apparatus main body 12 to cause the head section 26 to make a turning movement in a horizontal plane and a movement in a vertical plane. This is to make the rocking movement.

The laser light emitting section 20 is disposed on the side of the head section 26, and the laser light L emitted from the light emitting section 20 is incident on the optical axis of the eyepiece lens 40 via a plurality of reflecting mirrors 41. And the laser light L is
Thereafter, the light is transmitted to the outside through the half mirror 36 and the objective lens 38 and then projected outside.

The projection direction of the laser beam L at this time is determined by sending a control signal from the movement control unit 16 to the turning and swinging movement mechanisms 27 and 29 of the apparatus main body 12 to turn the head unit 26 in the horizontal plane. By swinging in a vertical plane, it can be adjusted in any direction.

In the case of the present embodiment, the range finder 14 is
The laser light emitting section 20 is also used as a light emitting device, and includes a light receiving device 43 that receives the reflected light from the half mirror 36 via the second half mirror 42. When performing the distance measurement and the angle measurement, the target G is collimatedly irradiated with the laser light L emitted from the laser light emitter 20, and the reflected light is received by the light receiver 43.

At this time, the distance to the target G is measured from the time difference between the emission and reception of the laser light L, and the amount of vertical swing movement of the head 26 in the vertical plane when the target G is irradiated. , And an installation coordinate value of the target G is determined in accordance with the amount of turning movement of the head unit 26 in the horizontal plane.

In this embodiment, external light incident through the half mirror 36 is incident on the CCD camera 44 so that the CCD camera 44 can capture an image in a collimating direction or the like.

The fixed-side radio transceiver 18 has an antenna 45
And is connected to the main control unit 28. On the other hand, the target G is made of a member capable of reflecting the laser light L, and is provided on the pointing rod 50 as shown in FIG. 1 in this embodiment. The pointing rod 50 is supported by the worker M and is set at the survey point X (x, y, z).

The worker M carries a mobile radio transceiver 23. This mobile-side wireless transceiver 23
Has an antenna 23a, a monitor screen 23b, and various operation switches 23c.

The worker M turns on and off the operation switch 23c to transmit and receive a radio signal between the radio transceivers 18 and 23, and sends the radio signal to the movement control unit 16 via the main control unit 28.
A start / stop signal is transmitted, or the control unit 18,
A control signal for the projection direction of the laser light L of the laser light emitting unit 20 is transmitted via the control signal.

The monitor screen 23b receives signals transmitted from the control units 18 and 28 via the radio transceivers 18 and 23, and displays the measurement results obtained by the distance measuring and angle measuring device 14,
Alternatively, the distance measuring goniometer 1 captured by the CCD camera 44
The situation at the time of surveying in step 4 and the irradiation direction of the laser light L emitted from the laser emitting unit 20 are displayed.

Now, the surveying apparatus 10 constructed as described above
Is operated from the worker M supporting the target G,
A start / stop signal, a control signal for controlling the projection direction of the laser light emitting unit 20, and the like are sent to the movement control unit 16 via the main control unit 28, and the distance measurement is performed in response to the signal sent from the main control unit 28. It has a mobile radio transceiver 23 having a monitor screen 23b for displaying the measurement results of the goniometer 14.

For this reason, when the target G is set in correspondence with the laser light L projected from the laser emitting section 20, the target G is automatically collimated, and the distance from the collimation point S to the target G is determined. The angle and the angle can be measured by the range finder 14.

Such a survey can be performed by operating the mobile radio transceiver 23 from the worker M supporting the target G, and the survey can be performed by one worker, which is economical and economical. Efficient surveying can be performed.

In this case, the measurement result of the range finder 14 is
Since the result is displayed on the monitor screen 23b of the mobile wireless transceiver 23 installed on the side of the worker M supporting the target G, the measurement result can be immediately known by the worker M at the survey site.

Since the direction of the survey point X is indicated by the laser beam L of the laser emitting section 20, the target G can be quickly set at the survey point X, and the exact position of the target point can also be measured. You can also know immediately from.

Further, when moving to the next survey point X,
When the coordinate value is instructed to the movement control unit 16 from the mobile wireless transceiver 23 via the main control unit 28, the direction can be instructed by the laser light L of the laser emitting unit 20.

In the case of this embodiment, the apparatus main body 12
Is equipped with a CCD camera 44 for imaging the collimation direction,
C is displayed on the monitor display screen 23b of the mobile radio transceiver 23.
The imaging screen of the CD camera 44 is displayed.

Therefore, the situation when the survey is performed by the distance measuring and angle measuring device 14 and the direction of the laser beam L emitted from the laser emitting section 20 can be confirmed on the monitor screen 23b.
Even in a situation where it is difficult to visually confirm the irradiation direction of the laser beam L due to lighting or the like, movement can be performed quickly.

In the above embodiment, the laser emitting section 2
0 is also used as the laser beam emitting unit of the distance measuring and angle measuring device 14, but the embodiment of the present invention is not limited to this, and a distance measuring and measuring device having a laser beam emitting unit separately from the laser emitting unit 20 is exemplified. The same operation and effect as those of the above embodiment can be obtained even if the square unit is employed.

[0043]

As described above in detail in the embodiments,
According to the surveying instrument of the present invention, the surveying can be performed by one worker, and the surveying can be efficiently performed by accurately indicating the position of the surveying point.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a usage state of a surveying instrument according to the present invention.

FIG. 2 is a main part configuration diagram of the surveying instrument of FIG. 1;

FIG. 3 is a block diagram of an electric system of the surveying instrument of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Surveying instrument 11 Tripod 12 Device body 14 Distance measuring and angle measuring device 16 Movement control unit 18 Fixed side wireless transceiver 20 Laser emitting unit 23 Moving side wireless control unit

Continued on the front page (72) Inventor Makoto Arakawa 2-15-2 Konan, Minato-ku, Tokyo Obayashi Corporation F-term (reference) 2F073 AA16 AA33 AB01 BB01 BC02 CC01 CC05 CC07 CC14 FG01 FG11 5J084 AA05 AB20 AC10 BA03 EA00 FA03

Claims (2)

[Claims] 1. A collimation point which is a known coordinate position,
Automatically collimate the target installed at any survey point,
An apparatus main body equipped with a distance measuring and measuring instrument for measuring a distance and an angle to the target; and controlling a swinging movement in a vertical plane and a turning movement in a horizontal plane of the distance measuring and measuring instrument. In a surveying instrument including a control unit, a fixed-side wireless transceiver connected to the control unit, a laser emitting unit mounted on the device main body and projecting laser light in an arbitrary survey point direction to be input, Operated by the worker supporting the target, the start and stop signals to the control unit, the control signal of the projection direction of the laser emitting unit, and the like are transmitted, and the signals transmitted from the control unit are received. A surveying apparatus comprising: a mobile radio transmitter / receiver having a monitor screen for displaying a measurement result of the range finder / angle measuring device. 2. A CC for imaging a collimating direction on the apparatus main body.
2. The surveying device according to claim 1, further comprising a D camera, and displaying an imaging screen of the CCD camera on the monitor screen.